Post on 30-Aug-2020
Introduction to Aerospace Engineering A Freshman-level Course in Rocketry and
Satellite Design
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 2
AE 100: Introduction to Aerospace Engineering
• Objective: Introduce incoming freshman students to aspects of aerospace engineering giving them hands-on problem solving design and data collection experience
• Currently: two sections – Spacecraft and rocket design – Aircraft design
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 3
AE 100: Rocket and Spacecraft Design • Introduction to model rocket
design, building and launch • Satellite (12 ounce CanSat)
subsystems • Introduction to circuitry,
electronics and soldering • Rocket trajectory – Theory and
numerics • Solid propellant rockets:
combustion and manufacturing • Space mission design • Working as a team • Engineering ethics • How to write a technical
report?
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 4
Circuit soldering Rocket construction
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 5
Payload Section: Mechanical Components
Triangular support
Triangular support
Circular plate
Circular plate
Payload support plate
Altimeter + camera + timer circuit
Camera + timer circuit
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 6
Payload Section: Electronics
Camera Timer Circuit
NC COM NO GND 12V +
-
Digital Camera
GND
ARM
OUT
APOGEE
MAIN
THIRD
ARM
IN
Parrot Altimeter
Relay
LM555
Outputs to Camera
P1
P2
Inputs from Altimeter
Timer circuit
Parrot altimeter
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 7
Launch Day
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 8
In-Flight Pictures
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 9
η = 0.8
η = 0.5
η = 0.2 η= 0.1
Rocket Performance: Theory
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 10
Rocket Performance: Numerics
Parachute opens
Prediction - no drag
Prediction - with drag
Measurements
Trajectory prediction using Matlab: Altitude vs. time
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 11
Flight Data Processing Altimeter data Accelerometer data
Numerical processing - Data smoothing - Numerical differentiation - Numerical integration
Comparison between computed and measured acceleration
histories
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 12
11-point star at head end!
“Real” Solid Propellant Rockets
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 13
Thank you
geubelle@illinois.edu